Add or subtract by first simplifying each radical and then combining any like radical terms. Assume that all variables represent positive real numbers.
+ 
A. -2
B. 10
C. 10
D. 70
Answer: C
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Find, if possible, the number of elements in sets A, B, and C using the given information.(A ? B) = ?n(A ? C) = 8n(C - B) = 14n(B - C) = 6n(A - C) = 5n(B ? C) = 25
A. n(A) = 13, n(B) = 11, n(C) = 24 B. n(A) = 13, n(B) = 11, n(C) = 19 C. n(A) = 5, n(B) = 19, n(C) = 27 D. The information is inconsistent or incomplete.
Write a system of equations to describe the problem situation. Use guess and check to solve the problem.
Three adult and five university student tickets for the alternative music hall cost $86.50. Five adult and eight student tickets cost $141. Find the price of an adult ticket. A) Adult ticket is $8.50. B) Adult ticket is $12. C) Adult ticket is $13. D) Adult ticket is $9.50. E) Adult ticket is $15.
Change the numbers to their percent equivalents.0.176
A. 0.0176% B. 176% C. 17.6% D. 0.176%
Solve. Write results using scientific notation.The distance from the earth to the sun is 92,900,000 miles. How long would it take a rocket, traveling at 2.9 x 103 miles per hour, to reach the sun?
A. 3.2 x 102 hr B. 3.2 hr C. 3.2 x 103 hr D. 3.2 x 104 hr